NR2F2 and adenoma: Except for NR2F2 (p<0.954), all genes were differentially expressed not only between the three subclasses of adenomas (t-test, p<0.05), but also between the four groups of follicular tumors (F-tests, p<0.05 for ADAMTS2, CABIN1, ALDH13, USP13; p = 0.06 for KRTHB5).